~/Downloads/emsdk/emcc -O3 -o test.js -s WASM=1 -s EXPORTED_RUNTIME_METHODS='["cwrap"]' \
    -I libwebp \
    webp.c \
    libwebp/src/{dec,dsp,demux,enc,mux,utils}/*.c \
    libwebp/sharpyuv/*.c

python3 -m http.server 8080
# & firefox http://localhost:8080/test.html
